So, You Want A Background, Huh?
Learn how to tile a texture or picture across your document. Or just use a basic color for your text. I usually use white, like on this page. Also, learn how to make your own background images.

So, You Want Style Sheets and Backgrounds, Huh?
You can do a lot with text and page backgrounds through CSS commands. Here I've tried to run down all available events (including multiple backgrounds) and describe how to use positioning to set background watermarks.